Chemistry, Biology, Science

9th -

12thgrade

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Chemical Reactions Vocab

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13 questions

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  • 1. Multiple Choice
    30 seconds
    5 pts

    a substance with a pH greater than 7; will increase the concentration of hydroxide ions in solution

    acid

    base

    neutral

  • 2. Multiple Choice
    30 seconds
    5 pts

    a change from one state of matter (solid, liquid, gas) to another without a change in chemical composition

    chemical change

    physical change

    phase change

    chemical reaction

  • 3. Multiple Choice
    30 seconds
    5 pts

    the number placed in front of a chemical formula to indicates the number of molecules present

    subscript

    superscript

    coefficient

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